Drive system for a carding machine including doffer zone draft s

Details Drive system for a carding machine including doffer zone draft s Drive system for a carding machine including doffer zone draft s

1993-11-08

1995-03-21

Crowder, Clifford D.

Textiles: fiber preparation

Working

Carding

19106R, 19240, D01G 1510, D01G 1564

Patent

active

053983807

ABSTRACT:
A carding machine includes a plurality of rotary fiber processing rolls arranged in succession as viewed in a direction of fiber advance through the carding machine. The output speed of the carding machine is varied by varying the rpm of one of the fiber processing rolls. The carding machine has a doffer zone containing some of the fiber processing rolls. A first electromotor is connected to a first fiber processing roll in the doffer zone and a first control and regulating unit is connected to the first electromotor. Further, a second electromotor is connected to a second fiber processing roll in the doffer zone and a second control and regulating unit is connected to the second electromotor. There is further provided a draft setting device connected to the first and second control and regulating units for automatically varying a ratio between the rpm of the first fiber processing roll and the rpm of the second fiber processing roll for automatically varying a draft when the output speed of the carding machine is altered.

REFERENCES:
patent: 3977046 (1976-08-01), Wise
patent: 4075739 (1978-02-01), Staheli
patent: 4271565 (1981-06-01), Grunder
patent: 4438548 (1984-03-01), Grunder
patent: 4779310 (1988-10-01), Leifeld
patent: 4982477 (1991-01-01), Hosel
patent: 5152033 (1992-10-01), White
Hans Ebert, "Moderne Einzelantriebe an Wanderdeckelkarden", Z. ges. Textilind. 60 (1958), No. 20, Oct. Issue 2, pp. 903-905.

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